@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;700&display=swap');

    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        background: linear-gradient(135deg, #657DE8, #C9AFFF);
        font-family: 'Poppins', sans-serif;
        color: #ffffff;
        line-height: 1.6;
        padding: 20px;
    }

    header {
        text-align: center;
        padding: 50px 20px;
        background: rgba(0, 0, 0, 0.3);
        border-radius: 15px;
        margin-bottom: 30px;
    }

    header h1 {
        font-size: 3em;
        font-weight: 700;
        text-shadow: 0px 4px 6px rgba(0, 255, 170, 0.5);
        margin-bottom: 10px;
    }

    header p {
        font-size: 1.2em;
        color: #FFB470;
    }

    .container {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
    }

    .card {
        background: rgba(255, 255, 255, 0.1);
        border-radius: 15px;
        box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.2);
        padding: 20px;
        flex: 1 1 calc(33.333% - 40px);
        transition: all 0.3s ease;
        position: relative;
    }

    .card:hover {
        transform: scale(1.05);
        box-shadow: 0px 8px 15px rgba(0, 0, 0, 0.3);
    }

    .card img {
        width: 100%;
        border-radius: 10px;
        margin-bottom: 15px;
    }

    .card h3 {
        margin-bottom: 10px;
        color: #00FFAA;
        text-shadow: 0px 2px 4px rgba(0, 255, 170, 0.5);
    }

    .card p {
        font-size: 0.95em;
        color: #ffffff;
    }

    .sample-article {
        background: rgba(255, 255, 255, 0.1);
        border-radius: 15px;
        padding: 30px;
        margin-top: 40px;
        box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.2);
    }

    .sample-article h2 {
        font-size: 2em;
        margin-bottom: 20px;
        color: #FFB470;
        text-shadow: 0px 2px 4px rgba(255, 180, 112, 0.5);
    }

    .sample-article pre {
        background: rgba(0, 0, 0, 0.5);
        padding: 15px;
        border-radius: 10px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    .sample-article code {
        color: #00FFAA;
        font-family: 'Courier New', Courier, monospace;
    }

    .sample-data {
        background: rgba(255, 255, 255, 0.1);
        border-radius: 15px;
        padding: 30px;
        margin-top: 40px;
        box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.2);
    }

    .sample-data h2 {
        font-size: 2em;
        margin-bottom: 20px;
        color: #00FFAA;
        text-shadow: 0px 2px 4px rgba(0, 255, 170, 0.5);
    }

    .sample-data ul {
        list-style: none;
    }

    .sample-data li {
        background: rgba(255, 255, 255, 0.2);
        padding: 15px;
        border-radius: 10px;
        margin-bottom: 10px;
    }

    .footer {
        text-align: center;
        padding: 20px;
        margin-top: 40px;
        background: rgba(0, 0, 0, 0.3);
        border-radius: 15px;
    }

    .footer p {
        font-size: 1em;
        color: #ffffff;
    }

    @media (max-width: 1440px) {
        .card {
            flex: 1 1 calc(33.333% - 40px);
        }
    }

    @media (max-width: 1200px) {
        .card {
            flex: 1 1 calc(50% - 40px);
        }
    }

    @media (max-width: 1024px) {
        .container {
            flex-direction: column;
        }

        .card {
            flex: 1 1 100%;
        }
    }

    @media (max-width: 768px) {
        header h1 {
            font-size: 2.5em;
        }

        .card {
            padding: 15px;
        }

        .sample-article, .sample-data {
            padding: 20px;
        }
    }

    @media (max-width: 480px) {
        header h1 {
            font-size: 2em;
        }

        .card {
            padding: 10px;
        }

        .sample-article, .sample-data {
            padding: 15px;
        }
    }

    @media (max-width: 320px) {
        header h1 {
            font-size: 1.8em;
        }

        .card {
            padding: 8px;
        }

        .sample-article, .sample-data {
            padding: 10px;
        }
    }

    /* Additional visual effects */
    .particle {
        width: 5px;
        height: 5px;
        background: #00FFAA;
        position: absolute;
        animation: particles 3s infinite;
    }

    @keyframes particles {
        0% { transform: translateX(-100px) translateY(0); opacity: 0; }
        50% { opacity: 1; }
        100% { transform: translateX(100px) translateY(100px); opacity: 0; }
    }